MEL and CDL MEL and CDL

ADIRU siaga

Independent backup ADIRU providing attitude, heading, and air-data when primary systems are degraded or failed.

Quick answer: Independent backup ADIRU providing attitude, heading, and air-data when primary systems are degraded or failed.

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Quick answer

Independent backup ADIRU providing attitude, heading, and air-data when primary systems are degraded or failed.

Why it matters

ADIRU siaga matters because it supports clear communication in MEL and CDL MEL and CDL contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Editorial context

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Questions and answers

Questions and answers

What is ADIRU siaga?

In this glossary, ADIRU siaga refers to: Independent backup ADIRU providing attitude, heading, and air-data when primary systems are degraded or failed.

How is ADIRU siaga used in aviation?

In aviation communication, this term appears in contexts such as: "Approach, SKY 521, menggunakan ADIRU siaga; akurasi turun; minta vektor ke final."

Why does ADIRU siaga matter in aviation?

ADIRU siaga matters because it supports clear communication in MEL and CDL MEL and CDL contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Who uses ADIRU siaga?

ADIRU siaga is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does ADIRU siaga belong to?

In this glossary, ADIRU siaga is grouped under MEL and CDL MEL and CDL. Related pages in this category explain adjacent procedures, commands and operational concepts.

Where does this definition come from?

This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.

Definition

Independent backup ADIRU providing attitude, heading, and air-data when primary systems are degraded or failed.

Operational example

Approach, SKY five two one, now on standby air-data inertial reference unit, navigation accuracy reduced, requesting vectors to final.

Localized term

ADIRU siaga

Localized example

Approach, SKY 521, menggunakan ADIRU siaga; akurasi turun; minta vektor ke final.

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Exam relevance

  • ICAO Level 4
  • ICAO Level 5
  • ICAO Level 6
  • EASA FCL.055

Target audience

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related terms

Use the related links below to continue through connected aviation terminology.

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